I. Summary

The Relay Protection Tester is the latest verification device developed by our company. The instrument employs new power supply technology for its AC and DC voltage/current sources, reaching the advanced domestic level in circuit design, component selection, panel layout, and internal structure design. It boasts comprehensive functions, excellent material selection, clear test project data, and simple operation, making it the preferred equipment for power relay protection departments.

Technical Indicators, Performance

1. Working Conditions:

(1) Working Voltage: AC220V ±10% 50Hz

(2) Working Environment: Temperature: -10℃ to 40℃

Humidity: ≤85%

(3) Atmospheric Pressure: 86~106 Kpa

2. Output Power:

AC Voltage: 0-250V/3A

(2) Current Exchange: 0-100A/12V

                0～50A/25V

                0～25A/50V

Direct Current Voltage: 0～320V/3A

Direct Current: 0-20A/25V

(5) Setpoint Output: DC24V, DC48V, DC110V, DC220V

3. Performance Metrics:

(1) Ammeter and voltmeter: 41/2-digit

(2) Digital Millisecond Stopwatch: 0 ~ 99.9999s

4. Features:

(1) Measuring Relays: Capable of measuring the starting value, return value, and return coefficient of current and voltage relays.

(2) Timer Relays: Measure the starting value, return value, and operating time.

(3) Intermediate Relay: Measures the starting value, return value, holding value, and action time of intermediate relays with both starting and holding coils.

(4) Reclosing relay: Capable of conducting capacitor charging tests, charging time, reclosing time, and intermediate component testing.

(5) Differential Relay: Capable of conducting DC excitation tests, braking characteristic tests, and voltage-current characteristic tests.

(6) Various other uncommon relays.